The Power Technologies & Integration Competence Center aims to respond to the challenges of a switch to electric vehicles which, to be competitive with other energies (pneumatic, hydraulic, etc.), must find a way to increase the power density of electrical systems. Moreover, the whole set of technologies and design methods need to be revised to:
– increase the voltage to reduce the cable mass,
– use higher performance electronic components (wide gap components) to reduce losses,
– a better integration of the components and equipment in order to master mass constraints, electromagnetic compatibility (CEM), network quality, reliability, thermal control or costs.
The competence center concentrates on electromechanical conversion chains, electronic power converters and electric motors, developing technologies (power modules, filters, inductances, printed circuit board, drivers, thermals, materials, etc.) and the methodologies required to optimize them (MDO/MDA) on different criteria (mass, thermal control, CEM, etc.). This means helping increase the power density of electronic circuits of between 2 to over 10 kilowatts/kg and of electric machines of between five to over 15 kilowatts/kg. The competence center deals with voltages of less than a kilovolt for applications of a few hundred kilowatts (small carriers) to voltages of between 1 and 3 kilovolts for applications of over a million watts (propulsion, major carriers).
- A few hundred watts for more integrated supply systems
- A few kilowatts to 50 kilowatts for non-propulsive applications
- Over 100 kilowatts for propulsive applications
It masters all the parameters of the subjects of its studies to verify performance of the electrical systems depending on their application. Several actors worldwide work on the individual optimization of the components but the IRT Saint Exupéry, the company common to aircraft manufacturers, systems engineers, equipment manufacturers and technology producers, facilitates integration of the different constraints so that overall optimization can be achieved.
Head of Power Technologies & Integration Competence Center
- Expertise on power electronics, CEM, the electromechanical chain and thermal controls.
- States of the art, technical syntheses.
- Specific technological platforms.
- Demonstrators and prototypes.
- Contributions to the TRL levels (technological maturity).
- Thesis report, scientific publications, conferences.
Alexandra Pessot defended her thesis on the modeling of performances and ageing of low-temperature PEM fuel cells for aerospace applications
Marie Levêque defended her thesis on hybrid pumping capillary mechanical two-phase loop
9th Fall Meeting of the STAE Foundation
Sami El Aabid defended his thesis on model based method dedicated to the diagnosis of PEMFCs
[Portrait 09] Aurore Risacher, doctor in plasma physics, is fascinated by electric arcs
[Portrait 04] Cédric Abadie, research engineer in partial discharges and 1st IRT Saint Exupéry PhD student
IRT PhD students visited aerospace companies in Bordeaux
Kamil Mrozewski defended his thesis on mechanical tightening of a single polymer electrolyte membrane fuel cell